Add v3 HostManager

Some of the host code required changes to work with the v3 API.
This change adds a v3-compatible HostManager that inherits from
the 1_1 HostManager to make use of the functions that didn't
need to change.

bp v3-api

Change-Id: I3ef7ab4619d49c20ab1bdeb1185ad28b411d37a1
Merge "Add v3 HostManager"